Two Union Square
E516483
Two Union Square is a prominent high-rise office tower in downtown Seattle that is a distinctive part of the city’s skyline.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Two Union Square canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5383244 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Two Union Square Context triple: [Seattle skyline, notableFeature, Two Union Square]
-
A.
Union Square East
Union Square East is the section of roadway forming the eastern edge of Manhattan’s Union Square, lined with notable buildings, shops, and transit access.
-
B.
Flatiron Plaza
Flatiron Plaza is a popular public space in Manhattan known for its views of the Flatiron Building and its role as a pedestrian-friendly gathering spot with seating, events, and nearby food options.
-
C.
Herald Square
Herald Square is a bustling commercial and transportation hub in Midtown Manhattan, best known for its flagship Macy’s department store and as a focal point of New York City’s retail and holiday festivities.
-
D.
Union Square
Union Square is a prominent public plaza and surrounding neighborhood in downtown Manhattan, New York City, known as a historic hub for political gatherings, commerce, and cultural events.
-
E.
Union Square
Union Square is a major commercial and cultural hub in downtown San Francisco, known for its upscale shopping, theaters, hotels, and vibrant urban plaza.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Two Union Square Target entity description: Two Union Square is a prominent high-rise office tower in downtown Seattle that is a distinctive part of the city’s skyline.
-
A.
Union Square East
Union Square East is the section of roadway forming the eastern edge of Manhattan’s Union Square, lined with notable buildings, shops, and transit access.
-
B.
Flatiron Plaza
Flatiron Plaza is a popular public space in Manhattan known for its views of the Flatiron Building and its role as a pedestrian-friendly gathering spot with seating, events, and nearby food options.
-
C.
Herald Square
Herald Square is a bustling commercial and transportation hub in Midtown Manhattan, best known for its flagship Macy’s department store and as a focal point of New York City’s retail and holiday festivities.
-
D.
Union Square
Union Square is a prominent public plaza and surrounding neighborhood in downtown Manhattan, New York City, known as a historic hub for political gatherings, commerce, and cultural events.
-
E.
Union Square
Union Square is a major commercial and cultural hub in downtown San Francisco, known for its upscale shopping, theaters, hotels, and vibrant urban plaza.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf | skyscraper ⓘ |
| architect | NBBJ ⓘ |
| architecturalStyle | postmodern architecture ⓘ |
| buildingType | commercial office ⓘ |
| city | Seattle ⓘ |
| completionDate | 1989 ⓘ |
| constructionMaterial |
concrete
ⓘ
glass curtain wall ⓘ steel ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| developer | Hines Interests Limited Partnership ⓘ |
| elevatorCount | over 20 elevators ⓘ |
| feature |
curved glass façade
ⓘ
skybridge connection to One Union Square ⓘ underground parking garage ⓘ |
| floorArea | over 1,000,000 sq ft ⓘ |
| floorCount | 56 ⓘ |
| hasAmenity |
conference facilities
ⓘ
fitness center ⓘ restaurant space ⓘ retail space ⓘ |
| hasHVAC | central HVAC system ⓘ |
| hasLobby | multi-story lobby ⓘ |
| hasParking | underground parking levels ⓘ |
| hasPublicArt | art installations in lobby ⓘ |
| hasSecurity | 24-hour building security ⓘ |
| height |
226 m
ⓘ
740 ft ⓘ |
| locatedIn | downtown Seattle ⓘ |
| location | Seattle, Washington, United States ⓘ |
| notableFor | distinctive profile on Seattle skyline ⓘ |
| openingDate | 1989 ⓘ |
| owner | Union Square LLC ⓘ |
| partOf |
Seattle central business district skyline
ⓘ
Union Square complex ⓘ |
| postalCode | 98101 ⓘ |
| ranking | one of the tallest buildings in Seattle ⓘ |
| roofMaterial | glass and steel ⓘ |
| seismicDesign | designed for seismic activity common to Seattle ⓘ |
| startDate | 1987 ⓘ |
| state | Washington ⓘ |
| streetAddress | 601 Union Street ⓘ |
| sustainabilityCertification | LEED certification ⓘ |
| use | office space ⓘ |
| zoning | commercial high-rise ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Two Union Square Description of subject: Two Union Square is a prominent high-rise office tower in downtown Seattle that is a distinctive part of the city’s skyline.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.